diff options
| -rw-r--r-- | drivers/hwmon/pmbus/ir36021.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/hwmon/pmbus/ir36021.c b/drivers/hwmon/pmbus/ir36021.c index 0dce4c3f666f..58d8c4aac0d1 100644 --- a/drivers/hwmon/pmbus/ir36021.c +++ b/drivers/hwmon/pmbus/ir36021.c @@ -31,21 +31,13 @@ static int ir36021_probe(struct i2c_client *client) u8 buf[I2C_SMBUS_BLOCK_MAX]; int ret; - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_READ_BYTE_DATA - | I2C_FUNC_SMBUS_READ_WORD_DATA - | I2C_FUNC_SMBUS_READ_BLOCK_DATA)) - return -ENODEV; - - ret = i2c_smbus_read_i2c_block_data(client, PMBUS_MFR_MODEL, 2, buf); - if (ret < 0) { - dev_err(&client->dev, "Failed to read PMBUS_MFR_MODEL\n"); - return ret; - } - if (ret != 2 || buf[0] != 0x01 || buf[1] != 0x2d) { - dev_err(&client->dev, "MFR_MODEL unrecognised\n"); - return -ENODEV; - } + ret = pmbus_read_smbus_i2c_block_data(client, PMBUS_MFR_MODEL, buf); + if (ret < 0) + return dev_err_probe(&client->dev, ret, + "Failed to read PMBUS_MFR_MODEL\n"); + if (ret != 1 || buf[0] != 0x2d) + return dev_err_probe(&client->dev, -ENODEV, + "MFR_MODEL unrecognised\n"); return pmbus_do_probe(client, &ir36021_info); } |